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MAX4070ATA Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX4070ATA Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 18 page Bidirectional, High-Side, Current-Sense Amplifiers with Reference _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (VRS+ = VRS- = VCC = 2.7V to 24V, VSENSE = VRS+ - VRS- = 0V, IREFOUT = 0, VSHDN = VCC, VGSEL = GND, VREFIN = 2.5V (MAX4072), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25 °C and at VCC = VRS+ = 12V.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS REFOUT (MAX4069/MAX4070/MAX4071) TA = +25 °C 2.44 2.49 2.54 MAX4069, VCC = 12V (Note 2) TA = TMIN to TMAX 2.39 2.59 TA = +25 °C 2.45 2.5 2.55 MAX4070, VCC = 12V TA = TMIN to TMAX 2.40 2.60 TA = +25 °C 1.47 1.5 1.53 Reference Output Voltage VREF MAX4071, VCC = 12V TA = TMIN to TMAX 1.44 1.56 V -40 °C ≤ TA ≤ +85°C15 Reference Output Voltage Temperature Coefficient TCVREF VCC = 12V TA = TMIN to TMAX 20 ppm/ °C IREFOUT = 0 to 500µA 2 Load Regulation ΔVREFOUT / ΔIREF IREFOUT = 0 to -100µA 4 mV/mA Line Regulation ΔVREF/ ΔVCC 2.7V ≤ VCC ≤ 24V 20 µV/V REF Capacitive-Load Stability 500 pF Reference Adjust Voltage Threshold VADJ MAX4069, VCC = 12V 1.230 V Reference Output Voltage Range MAX4069, range adjustable with R1 and R2, VCC = 12V VADJ to +4 V Reference Adjust Input Current IADJ MAX4069, VCC = 12V, VADJ = 1.23V 100 nA REFIN (MAX4072 only) Input-Voltage Range VCC = 12V 1 4 V Input Current REFIN = 2.5V, VCC = 12V -60 +20 µA Note 1: All devices are 100% tested at TA = +25 °C. Limits over temperature are guaranteed by design. Note 2: R1 = 215k Ω, R2 = 210kΩ for the MAX4069 only (see Functional Diagram). This sets REFOUT to 2.49V nominal. Note 3: Guaranteed by the PSRR test. Note 4: The REFOUT voltage for the MAX4069 should be set such that it does not exceed VCC - 1.1V. Similarly, the maximum REFIN voltage for the MAX4072 should also be less than VCC - 1.1V. Note 5: Input-Referred Offset Voltage is defined as the voltage difference between OUT and REFOUT, divided by the selected gain of either 50 or 100, when VSENSE = VRS+ - VRS- = 0V. Note 6: The negative full-scale sense voltage is limited by the voltage range of OUT from VREFOUT to GND. Note 7: Total OUT Voltage Error is the sum of offset voltage and gain errors. The output voltage is measured relative to the reference (REFOUT or REFIN). |
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